My code doesn't work but i am confidence in my code ,what is the mistake here?

Tell us what’s happening: i want return the index of the a number (num) in the sorted array (arr)

Your code so far

function getIndexToIns(arr, num) {
  // Find my place in this sorted array.
  for(var i=0;i<arr.length;i++){
      return i-1;
    else if(arr[i]>num){
      return i;

getIndexToIns([40, 60], 50);

Your browser information:

Your Browser User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.140 Safari/537.36.

Link to the challenge:

Your sort is not working as you think it is. Review the documentation for the sort function and read the section concerning sorting numbers.

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